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"But my NCP costs $500 a day" (RFC0425)

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R.D. Bressler: AUTHOR

Abstract

Now that networking is becoming commonplace, people are beginning to measure the cost of their network software and network use. A not insignificant portion of this use turns out to be random prodding and poking of one system by another. An example of this is the "Survey" mechanism that many sites are constructing to see "who's up." Several systems have noted that this one mechanism alone accounts for a log of their overhead, and is not chargeable to any given user.

Country

United States

Language

English (United States)

This text was extracted from a ASCII Text document.

This is the abbreviated version, containing approximately
100% of the total text.

Network Working Group Bob Bressler (BBN)

Request for Comments: 425 Dec 1972

NIC #13010

"But my NCP costs $500 a day..."

Now that networking is becoming commonplace, people are beginning to measure

the cost of their network software and network use. A not insignificant

portion of this use turns out to be random prodding and poking of one system

by another. An example of this is the "Survey" mechanism that many sites are

constructing to see "who's up." Several systems have noted that this one

mechanism alone accounts for a log of their overhead, and is not chargeable to

any given user.

In response to this particular problem, MIT-DMCG and UCLA-NMC, who have both

been doing surveys for some time, have agreed upon a standard format for host

survey data and will make it available to the network community. They will be

joined by a third site, and will provide a standard socket to obtain this

information. The data will be a concise character stream so as to be both

human and machine readable.

The exact format of the data and the socket number will be forthcoming.

The intent of all this is for all other sites to stop surveying on their own

and get this data from one of the participating "Official Surveyors" either

prompted by a user's request or on a periodic basis, whatever they wish.

This should, itself, help considerably to eliminate a lot of the network

'noise factor.' But, in addition, we should all try to be more aware of the

cost of this type of traffic and try to avoid repeated interactions with a

given Host without some expressed consent - be it an account number of some